feat: simple NWC flow

closes #19

lib/pages/login.dart

@@ -24,7 +24,7 @@ class LoginPage extends StatelessWidget {
               if (state.data ?? false) {
                 return BasicButton.text(
                   t.login.amber,
-                  onTap: () async {
+                  onTap: (context) async {
                     final amber = Amberflutter();
                     final result = await amber.getPublicKey();
                     if (result['signature'] != null) {
@@ -41,7 +41,7 @@ class LoginPage extends StatelessWidget {
               }
             },
           ),
-        BasicButton.text(t.login.key, onTap: () => context.push("/login/key")),
+        BasicButton.text(t.login.key, onTap: (context) => context.push("/login/key")),
         Container(
           margin: EdgeInsets.symmetric(vertical: 20),
           height: 1,
@@ -51,7 +51,7 @@ class LoginPage extends StatelessWidget {
         ),
         BasicButton.text(
           t.login.create,
-          onTap: () => context.push("/login/new"),
+          onTap: (context) => context.push("/login/new"),
         ),
       ],
     );

lib/pages/login_input.dart

@@ -29,7 +29,7 @@ class _LoginInputPage extends State<LoginInputPage> {
         ),
         BasicButton.text(
           t.button.login,
-          onTap: () async {
+          onTap: (context) async {
             try {
               if (_controller.text.startsWith("bunker://")) {
                 // not supported yet in ndk

lib/pages/new_account.dart

@@ -74,7 +74,7 @@ class _NewAccountPage extends State<NewAccountPage> {
             return BasicButton.text(
               t.button.login,
               disabled: _loading || value.text.isEmpty,
-              onTap: () {
+              onTap: (context) {
                 setState(() {
                   _loading = true;
                   _nameFocus.unfocus();

lib/pages/profile.dart

@@ -76,7 +76,7 @@ class ProfilePage extends StatelessWidget {
                 children: [
                   BasicButton.text(
                     t.button.logout,
-                    onTap: () {
+                    onTap: (context) {
                       loginData.logout();
                       ndk.accounts.logout();
                       context.go("/");
@@ -84,7 +84,7 @@ class ProfilePage extends StatelessWidget {
                   ),
                   BasicButton.text(
                     t.button.edit_profile,
-                    onTap: () {
+                    onTap: (context) {
                       context.push("/settings/profile");
                     },
                   ),

lib/pages/settings_profile.dart

@@ -87,7 +87,7 @@ class SettingsProfilePage extends StatelessWidget {
                 BasicButton.text(
                   t.button.save,
                   disabled: v,
-                  onTap: () async {
+                  onTap: (context) async {
                     _loading.value = true;
                     try {
                       final newMeta = Metadata(

lib/pages/settings_wallet.dart

@@ -0,0 +1,77 @@
+import 'package:flutter/material.dart';
+import 'package:go_router/go_router.dart';
+import 'package:zap_stream_flutter/const.dart';
+import 'package:zap_stream_flutter/i18n/strings.g.dart';
+import 'package:zap_stream_flutter/login.dart';
+import 'package:zap_stream_flutter/theme.dart';
+import 'package:zap_stream_flutter/widgets/button.dart';
+
+class SettingsWalletPage extends StatefulWidget {
+  const SettingsWalletPage({super.key});
+
+  @override
+  State<StatefulWidget> createState() => _Inner();
+}
+
+class _Inner extends State<SettingsWalletPage> {
+  late final TextEditingController _uri;
+  String? _error;
+
+  @override
+  void initState() {
+    _uri = TextEditingController();
+    super.initState();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final pubkey = ndk.accounts.getPublicKey();
+    if (pubkey == null) return Text(t.wallet.error.logged_out);
+
+    return ValueListenableBuilder(
+      valueListenable: loginData,
+      builder: (context, state, child) {
+        if (state?.wallet == null) {
+          return Column(
+            spacing: 8,
+            children: [
+              TextField(
+                controller: _uri,
+                decoration: InputDecoration(labelText: t.wallet.connect_wallet),
+              ),
+              BasicButton.text(
+                t.button.connect,
+                onTap: (context) async {
+                  try {
+                    await ndk.nwc.connect(_uri.text);
+                    final cfg = WalletConfig(
+                      type: WalletType.nwc,
+                      data: _uri.text,
+                    );
+                    loginData.value = LoginAccount(
+                      type: loginData.value!.type,
+                      pubkey: loginData.value!.pubkey,
+                      privateKey: loginData.value!.privateKey,
+                      signerRelays: loginData.value!.signerRelays,
+                      wallet: cfg,
+                    );
+                    if (context.mounted) {
+                      context.pop();
+                    }
+                  } catch (e) {
+                    setState(() {
+                      _error = e is String ? e : e.toString();
+                    });
+                  }
+                },
+              ),
+              if (_error != null)
+                Text(_error!, style: TextStyle(color: WARNING)),
+            ],
+          );
+        }
+        return SizedBox.shrink();
+      },
+    );
+  }
+}

lib/pages/stream.dart

@@ -169,7 +169,7 @@ class _StreamPage extends State<StreamPage> with RouteAware {
                 color: PRIMARY_1,
                 borderRadius: DEFAULT_BR,
               ),
-              onTap: () {
+              onTap: (context) {
                 showModalBottomSheet(
                   context: context,
                   constraints: BoxConstraints.expand(),